. Alluvial fan is formed in upper/ middle/lower/ delta
course of a river.
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1
Answer:
I believe it is middle .. hope it helps..
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2
Answer:
course of a river
Explanation:
An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
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